19 lines
436 B
JavaScript
19 lines
436 B
JavaScript
function sum(a) {
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s = 0;
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for (var i in a) s += a[i];
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return s;
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}
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function degToRad(a) {
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return Math.PI/180*a;
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}
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function meanAngleDeg(a) {
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return 180/Math.PI*Math.atan2(sum(a.map(degToRad).map(Math.sin))/a.length,sum(a.map(degToRad).map(Math.cos))/a.length);
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}
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var a = [350, 10], b = [90, 180, 270, 360], c =[10, 20, 30];
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console.log(meanAngleDeg(a));
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console.log(meanAngleDeg(b));
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console.log(meanAngleDeg(c));
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